HD 214810

HD 214810
Observation data
Epoch J2000      Equinox J2000
Constellation Aquarius
Right ascension 22h 40m 47.95600s[1]
Declination −03° 33′ 15.2789″[1]
Apparent magnitude (V) 6.32 (6.52 + 8.63)[2]
Characteristics
Spectral type G9 V Fe-0.7[3]
U−B color index −0.02[4]
B−V color index +0.52[4]
Astrometry
Radial velocity (Rv)13.73 km/s
Proper motion (μ) RA: -7.52[1] mas/yr
Dec.: -45.25[1] mas/yr
Parallax (π)28.93 ± 0.77 mas[1]
Distance113 ± 3 ly
(34.6 ± 0.9 pc)
Orbit[5]
Period (P)54.57 ± 0.30 yr
Semi-major axis (a)0.367 ± 0.003″
Eccentricity (e)0.005 ± 0.003
Inclination (i)87.5 ± 0.5°
Longitude of the node (Ω)128.9 ± 0.5°
Periastron epoch (T)B 1969.38 ± 1.5
Argument of periastron (ω)
(secondary)		12.9 ± 20.0°
Details
HD 214810 A
Mass1.26[6] M☉
Surface gravity (log g)4.19[3] cgs
Temperature6,151[3] K
Metallicity [Fe/H]−0.22[3] dex
Age3.7[7] Gyr
HD 214810 B
Mass0.87[6] M☉
Other designations
BD-04° 5728, HD 214810, HIP 111965, HR 8629, SAO 146239.
Database references
SIMBADdata

HD 214810 is a visual binary star in the equatorial constellation of Aquarius. The pair orbit each other with a period of about 54.2 years.[2]

  1. ^ a b c d e Cite error: The named reference van Leeuwen2007 was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference Cvetkovic2010 was invoked but never defined (see the help page).
  3. ^ a b c d Cite error: The named reference aj132_1_161 was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference MERMILLIOD was invoked but never defined (see the help page).
  5. ^ "Sixth Catalog of Orbits of Visual Binary Stars". United States Naval Observatory. Archived from the original on 1 August 2017. Retrieved 21 May 2017.
  6. ^ a b Cite error: The named reference aj147_4_87 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference cgssn09 was invoked but never defined (see the help page).